minor fixes on parameters and api endpoint

agent.py

@@ -13,7 +13,7 @@ def get_agent() -> CodeAgent:
 
   model = OpenAIServerModel(
     model_id='codestral-latest',
-    api_base="https://codestral.mistral.ai/v1/",
+    api_base="https://codestral.mistral.ai/v1/chat/completions",
     api_key=api_key)
 
-  return CodeAgent(tools=[search_tool, web_page_tool, add, subtract, multiply, divide, modulus, rounder, power, square_root, download_file_from_url, csv_reader, excel_reader, transcribe_audio, wiki_search, arvix_search], model=model, planning_interval=None, additional_authorized_imports=['random', 'time'], verbosity_level=1, max_steps=5, add_base_tools=True)
+  return CodeAgent(tools=[search_tool, web_page_tool, add, subtract, multiply, divide, modulus, rounder, power, square_root, download_file_from_url, csv_reader, excel_reader, transcribe_audio, wiki_search, arvix_search], model=model, additional_authorized_imports=['random', 'time'], add_base_tools=True)